Now, an attack ad campaign by Signal has shone some light on the opaque surveillance dragnet.
The campaign aimed to expose how Facebooks array of services harvest user information to personalize ads.
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Signals plan was to use Facebooks own tools to highlight these practices.
Facebook was not into that idea.
According to Signal, Facebook promptly disabled the ad account.
Facebookdeniedthat the account had been shut down and dismissed the ads as a publicity stunt.
But Signal has maintained the claim.
The company also shared examples of what Facebook ads would look like if they were open about the targeting.
Story byThomas Macaulay
Thomas is the managing editor of TNW.
He leads our coverage of European tech and oversees our talented team of writers.
Away from work, he e(show all)Thomas is the managing editor of TNW.
He leads our coverage of European tech and oversees our talented team of writers.
Away from work, he enjoys playing chess (badly) and the guitar (even worse).
